Part 4: Questions 31-40
Complete the notes below.
Write ONE WORD ONLY for each answer.
Marine renewable energy (ocean energy)
Introduction
More energy required because of growth in population and (31)
What’s needed:
- renewable energy sources
- methods that won’t create pollution
Wave energy
Advantage: waves provide a (32) source of renewable energy
Electricity can be generated using offshore or onshore systems
Onshore systems may use a reservoir
Problems:
Tidal energy
Tides are more (35) than waves
Planned tidal lagoon in Wales:
Advantages:
Problem:
Ocean thermal energy conversion
Uses a difference in temperature between the surface and lower levels Water brought to the surface in a pipe